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Cheesy Zucchini Gratin

Cheesy Zucchini Gratin

Cheesy Zucchini Gratin

By recipes genie | Published on December 29, 2024

Tools & Equipment

1
cutting board
2
sharp knife
3
large skillet
4
mixing bowl
5
oven-safe baking dish
6
oven mitts
7
measuring cups
8
measuring spoons

Ingredients

Vegetables

  • 1
    2 each medium zucchini
  • 2
    1 each medium yellow onion
  • 3
    2 each cloves garlic

Dairy

  • 1
    1.5 cup cups shredded Gruyere cheese
  • 2
    0.5 cup cup heavy cream

Seasoning

  • 1
    0.5 tsp teaspoon dried thyme
  • 2
    0.25 tsp teaspoon black pepper
  • 3
    0.75 tsp teaspoon salt
  • 4
    2 tbsp tablespoon olive oil

Other

  • 1
    0.25 cup cup breadcrumbs

Directions

1

Preheat Oven

Preheat your oven to 375°F (190°C). This ensures the gratin cooks evenly.

2

Prepare Zucchini

Wash the zucchini thoroughly under cold water. Using a sharp knife, trim off the ends. Then, slice the zucchini into 1/4-inch thick rounds. Be careful when using sharp knives.

3

Prepare Onion and Garlic

Peel and thinly slice the yellow onion. Then, mince the garlic cloves. Mincing means to chop very finely.

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4

Sauté Onions

Heat 2 tablespoons of olive oil in a large skillet over medium heat. Add the sliced onions and cook until they become translucent, about 5 minutes. Translucent means they will look slightly see-through.

5

Add Garlic

Add the minced garlic to the skillet with the onions and cook for another minute until fragrant. Stir continuously to prevent the garlic from burning, which can turn bitter.

6

Cook Zucchini

Add the sliced zucchini to the skillet, along with the dried thyme, salt, and black pepper. Cook for about 5-7 minutes, stirring occasionally, until the zucchini begins to soften slightly and release some moisture.

7

Mix Cream and Cheese

In a separate bowl, combine the heavy cream and half of the shredded Gruyere cheese. Stir until the cheese is partially melted and the mixture is smooth.

8

Assemble Gratin

Transfer the zucchini and onion mixture into an oven-safe baking dish or casserole dish. Pour the cream and cheese mixture evenly over the zucchini.

9

Top with Cheese and Breadcrumbs

Sprinkle the remaining Gruyere cheese evenly over the top of the dish. Then, sprinkle the breadcrumbs over the cheese layer.

10

Bake Gratin

Place the baking dish in the preheated oven and bake for 20-25 minutes, or until the top is golden brown and bubbly and the cheese is melted and gooey. Use oven mitts to handle hot dishes.

11

Rest

Remove the gratin from the oven and let it rest for 5-10 minutes before serving. This allows the gratin to set slightly and makes it easier to serve.

Recipe Tips

  • For best results, use fresh, firm zucchini. Avoid zucchini that is soft or has blemishes.
  • If you don't have Gruyere cheese, you can substitute with Swiss, provolone, or a combination of your favorite melting cheeses.
  • To add extra flavor, consider adding a pinch of nutmeg or red pepper flakes to the zucchini mixture.
  • Store leftovers in an airtight container in the refrigerator for up to 3 days. Reheat in the oven or microwave before serving. Ensure food is heated to a safe internal temperature of 165°F (74°C) before consumption.

Nutrition Facts (per serving)

Calories

250 kcal

Carbs

12g

Protein

11g

Fat

18g

Fiber

3g

Sugar

4g

Sat. Fat

10g

Sodium

450mg

Trans Fat

0g

Cholesterol

75mg

Potassium

400mg

Vitamin A

100%

Vitamin C

25%

Calcium

200%

Iron

2%

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